Home / 47,199.97-70,788.61-13,911.04

Finding the Fourth Proportional to 47,199.97, 70,788.61 and 13,911.04

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Solution

The fourth proportional to 47,199.97, 70,788.61 and 13,911.04 is: 20,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,199.97 : 70,788.61 = 13,911.04 : x
  2. Step 2: Convert to fraction form
    47,199.97/70,788.61 = 13,911.04/x
  3. Step 3: Cross multiply
    47,199.97x = 70,788.61 × 13,911.04
  4. Step 4: Simplify right side
    47,199.97x = 984,743,025.67
  5. Step 5: Solve for x
    x = 984,743,025.67/47,199.97
  6. Step 6: Final answer
    x = 20,863.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.